SLUSE53 December 2024 BQ25751
PRODUCTION DATA
- 1
- 1 Features
- 2 Applications
- 3 Description
- 4 Device Comparison
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Device Power-On-Reset
- 7.3.2 Device Power-Up From Battery Without Input Source
- 7.3.3 Device Power Up from Input Source
- 7.3.4 Battery Charging Management
- 7.3.5 Power Path Management
- 7.3.6 Reverse Mode Power Direction
- 7.3.7 Integrated 16-Bit ADC for Monitoring
- 7.3.8 Status Outputs (PG, STAT1, STAT2, and INT)
- 7.3.9 Serial Interface
- 7.4 Device Functional Modes
- 7.5 BQ25751 Registers
-
8 Application and Implementation
- 8.1 Application Information
- 8.2
Typical Applications
- 8.2.1
Typical Application (Standalone)
- 8.2.1.1 Design Requirements
- 8.2.1.2
Detailed Design Procedure
- 8.2.1.2.1 ACUV / ACOV Input Voltage Operating Window Programming
- 8.2.1.2.2 Charge Voltage Selection
- 8.2.1.2.3 Switching Frequency Selection
- 8.2.1.2.4 Inductor Selection
- 8.2.1.2.5 Input (VAC / SYS) Capacitor
- 8.2.1.2.6 Output (VBAT) Capacitor
- 8.2.1.2.7 Sense Resistor (RAC_SNS and RBAT_SNS) and Current Programming
- 8.2.1.2.8 ACFETs and BATFETs Selection
- 8.2.1.2.9 Converter Fast Transient Response
- 8.2.1.3 Application Curves
- 8.2.1
Typical Application (Standalone)
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Revision History
- 13Mechanical, Packaging, and Orderable Information
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RRV|36
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
8.2.1.3 Application Curves
CVAC = 160 μF, COUT = 160 μF
| VAC = 20 V | VBAT = 20 V | ICHG = 5 A |
| VAC = 20 V | VBAT = 24 V | ICHG = 5 A |
| VAC = 20 V | VBAT = 24 V | ICHG = 5 A |
| VAC = 24 V | VBAT = 20 V | ICHG = 5 A |
| VAC = 24 V | VBAT = 24 V | ICHG = 5 A |
| VBAT = 24 V | VAC_REV = 20 V | ILOAD = 4 A |
| VBAT = 28 V | VAC_REV = 5 V | ILOAD = 0.5 A → 4.5 A |
| VBAT = 28 V | VAC_REV = 48 V | ILOAD = 0.5 A → 4.5 A |
| VAC = 20 V → 0 V | VBAT = 20 V | ICHG = 5 A |
| VAC = 20 V | VBAT = 24 V | ICHG = 5 A |
| VAC = 20 V | VBAT = 24 V | ICHG = 5 A |
| VAC = 24 V | VOUT = 28 V | ICHG = 5 A |
| VOC = 30 V ISC = 3.5 A |
VBAT = 24 V | EN_CHG = 0 → 1 |
| VBAT = 24 V | VAC_REV = 20 V | ILOAD = 4 A |
| VBAT = 28 V | VAC_REV = 28 V | ILOAD = 0.5 A → 4.5 A |